“In a man I never saw,” said the other, looking at the leaden sea.

“I know what you mean,” said Syme in a low voice, “the man in the dark room. But Sunday must have killed him by now.”

“Perhaps,” said the other steadily; “but if so, he was the only man whom Sunday found it hard to kill.”

“I heard what you said,” said the Professor, with his back turned. “I also am holding hard on to the thing I never saw.”

All of a sudden Syme, who was standing as if blind with introspective thought, swung round and cried out, like a man waking from sleep—

“Where is the Colonel? I thought he was with us!”

“The Colonel! Yes,” cried Bull, “where on earth is the Colonel?”

“He went to speak to Renard,” said the Professor.

“We cannot leave him among all those beasts,” cried Syme. “Let us die like gentlemen if—”

“Do not pity the Colonel,” said Ratcliffe, with a pale sneer. “He is extremely comfortable. He is—”